Dirichlet convolution of A326042 with A055615 (Dirichlet inverse of n), where A326042(n) = A064989(sigma(A003961(n))).

A349624

Dirichlet convolution of A326042 with A055615 (Dirichlet inverse of n), where A326042(n) = A064989(sigma(A003961(n))).

Terms

    a(0) =1a(1) =-1a(2) =-1a(3) =9a(4) =-4a(5) =1a(6) =-5a(7) =-19a(8) =23a(9) =4a(10) =-6a(11) =-9a(12) =-9a(13) =5a(14) =4a(15) =43a(16) =-14a(17) =-23a(18) =-17a(19) =-36a(20) =5a(21) =6a(22) =-17a(23) =19a(24) =29a(25) =9a(26) =-65a(27) =-45a(28) =-28a(29) =-4

External references